diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a266eb..6826735 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: 3.12
 
     - name: Install dependencies
       run: |
diff --git a/analyzer/utils/permissions.py b/analyzer/utils/permissions.py
index cb8712d..ec7cc8d 100644
--- a/analyzer/utils/permissions.py
+++ b/analyzer/utils/permissions.py
@@ -1,7 +1,7 @@
 import os
 import stat
 from pathlib import Path
-from typing import Set
+from typing import Set, Union
 
 from pydantic import BaseModel, constr
 
@@ -43,5 +43,5 @@ def generate_full_write_combination() -> Set[PermissionType]:
     return full_write_combination
 
 
-def get_file_permissions(file_path: Path | str) -> PermissionType:
+def get_file_permissions(file_path: Union[Path, str]) -> PermissionType:
     return PermissionType(permission=stat.filemode(os.stat(file_path).st_mode)[1:])